frida-fuzzer

Frida API Fuzzer v1.4 Copyright C 2020 Andrea Fioraldi [email protected] Released under the Apache License v2.0 This experimental fuzzer is meant to be used for API in-memory fuzzing. The design is highly inspired and based on AFL/AFL++. ATM the mutator is quite simple, just the AFL's havoc...

PT-2026-90215

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Stop remote reader update when page swap fails The remote swap reader page callback can return -EBUSY when the writer moves the head before the remote catches it, particularly during an event storm on a small buffer...

CVE-2026-31431-Copy-Fail-R-pertoire-de-Pr-vention

🔴 CVE-2026-31431 — Copy Fail Escalada de Privilegios Local en el Kernel de Linux LPE — Repositorio de Investigación Defensiva 📖 Presentación Copy Fail CVE-2026-31431 es una vulnerabilidad de tipo Escalada de Privilegios Local LPE que afecta al kernel de Linux mediante una corrupción controlada de...

CVE-2026-31431_CopyFail_LinuxKernel_LPE

CVE-2026-31431 — Copy Fail Linux Kernel LPE Educational rewrite of the Theori/Xint proof-of-concept for CVE-2026-31431, a local privilege escalation vulnerability in the Linux kernel's algifaead crypto socket interface. Affects every mainline kernel from 4.14 July 2017 through 6.18.21, and the 6....

CVE-2026-31431

Copy Fail - CVE-2026-31431 This repository contains a small Linux local privilege escalation PoC for CVE-2026-31431, also known as "Copy Fail". The exploit targets the Linux kernel algifaead path in the AFALG userspace crypto API. It uses AFALG plus splice to coerce the kernel into writing into t...

CVE-2026-31431

🔐 CVE-2026-31431 - Kernel Exploitation Research Framework Modular framework for studying a Linux privilege escalation LPE vulnerability based on AFALG + Page Cache Injection techniques. 🎯 Objective This project is designed for: Research of Linux kernel vulnerabilities Teaching real exploitation...

CVE-2026-31431

CopyFail CVE-2026-31431 Overview CopyFail is a proof-of-concept exploit for CVE-2026-31431, targeting a memory corruption vulnerability in the Linux Kernel Crypto API AFALG. The exploit leverages the splice system call to perform unauthorized page-cache patching of the /usr/bin/su binary, enablin...

block-copyfail

Summary CVE-2026-31431 "Copy Fail" is a Linux kernel privilege escalation vulnerability in the algifaead cryptographic interface. An attacker uses AFALG sockets with the authencesn algorithm and splice to corrupt arbitrary files in the kernel page cache — including setuid binaries like /usr/bin/s...

copy-fail-CVE-2026-31431-shell

CVE-2026-31431 - copyfail shell Local privilege escalation via AFALG socket + splice page-cache overwrite. Overwrites a read-only SUID binary /usr/bin/su with a minimal ELF that calls setuid0 + execve"/bin/sh". No race condition, no per-distro offsets, single shot. root@kitploit: $...

copy-fail-CVE-2026-31431-poc

CVE-2026-31431 — Copy Fail Proof of Concept This repository contains a Proof of Concept exploit for CVE-2026-31431 , a high-severity Linux kernel local privilege escalation vulnerability that allows any unprivileged local user to gain root access. The flaw, dubbed “Copy Fail”, resides in the...

CVE-2026-31431-Exploit

CVE-2026-31431 "Copy Fail" Exploit A professional proof-of-concept for the CVE-2026-31431 vulnerability, a critical flaw in the Linux kernel's algifaead / authencesn page-cache handling. Overview The CVE-2026-31431 vulnerability, colloquially known as "Copy Fail" , involves a page-cache...

RK35xx-CopyFail-Hotfix

RK35xx Kernel Patch: CVE-2026-31431 "Copy Fail" RK35xx CopyFail Hotfix: CVE-2026-31431 Patch for Joshua Riek's Ubuntu 24.04 A community-provided, pre-compiled kernel patch for all RK35xx single-board computers Rock 5, Orange Pi 5, NanoPC, etc. running Joshua Riek's Ubuntu 24.04 Kernel...

Copy-Fail---CVE-2026-31431

CVE-2026-31431 - Copy Fail - Detection Script Python script to check whether a Linux system is vulnerable to the CVE-2026-31431 Copy Fail flaw, a local privilege escalation in the Linux kernel. The flaw in brief Since 2017 commit 72548b093ee3, the kernel's algifaead cryptographic module has handl...

Copy-fail-CVE-2026-31431-Exploit-in-C

Copy-fail-CVE-2026-31431-Exploit-in-C CVE-2026-31431 的发现与原始披露：Theori / Xint。公开文章：https://copy.fail/。 概述 该程序针对 Linux 内核的 AFALG AEAD 路径，并尝试触发公开公告中描述的“Copy Fail”页缓存损坏行为。 代码打开一个选定文件，反复处理内嵌载荷的 4 字节窗口，并利用内核加密管道及 splice 来影响内存中缓存的文件内容。 循环结束后，它执行目标二进制文件，依赖页缓存被遗留的任何状态。 先决条件 Linux 环境 GCC 或 Clang 构建 gcc...

CopyFail-for-dummies

Copy Fail / CVE-2026-31431 — Research Notes Overview This repository contains a cleaned-up technical diagram and supporting notes for the Linux kernel vulnerability commonly referred to as Copy Fail and tracked as CVE-2026-31431. The purpose of this material is: to explain the bug mechanism at a...

copy-fail-CVE-2026-31431

Vulnerability Description Root Cause In 2017, the Linux kernel crypto module authencesn introduced an in-place optimization for AEAD Authenticated Encryption with Associated Data operations. This optimization caused read-only pages in the page cache to be incorrectly placed into a writable...

copyfail-rs

copyfail-rs Copy Fail 漏洞利用（CVE-2026-31431）的 Rust 实现，这是一个关键漏洞，通过链式利用 AFALG 和 splice 实现 4 字节页缓存写入，从而在主流 Linux 发行版上实现本地权限提升。 基于 Xint Code 的研究和 PoC。 免责声明 !CAUTION 本项目仅用于教育和研究目的 。在您不拥有或未经明确许可的系统上运行此漏洞利用程序是非法且不道德的。请负责任地使用此代码，以理解和防御类似的漏洞。 特性 纯 Rust 实现 ：高性能、内存安全的原始 Python PoC 实现。 动态 ELF 构建器...

CVE-2026-31431

CVE-2026-31431: PoC de Copy Fail + Validación ARM64 Copy Fail es una escalada de privilegios local en Linux publicada por Theori/Xint como CVE-2026-31431. La página del proyecto describe un error lógico en authescesn que se puede alcanzar a través de AFALG y splice, produciendo una pequeña...

CVE-2026-31431

copy.fail — AFALG AEAD splice primitive CVE-2026-31431 Overview This project is a C port of the original Python prototype, by offsecguy. It leverages the Linux kernel crypto API AFALG using: authencesnhmacsha256,cbcaes AEAD mode MSGMORE flag splice system call The technique feeds data from a...

CVE-2026-31431

CVE-2026-31431 — "Copy Fail" Local Privilege Escalation Overview CVE-2026-31431 is a local privilege escalation vulnerability in the Linux kernel's algifaead subsystem. The authencesn AEAD implementation performs an in-place decrypt via splice2, placing a page-cache page into the destination...